20939352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 39471528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 113, 168, 226, 339, 452, 678, 791, 904, 1103, 1356, 1582, 2206, 2373, 2712, 3164, 3309, 4412, 4746, 6328, 6618, 7721, 8824, 9492, 13236, 15442, 18984, 23163, 26472, 30884, 46326, 61768, 92652, 124639, 185304, 249278, 373917, 498556, 747834, 872473, 997112, 1495668, 1744946, 2617419, 2991336, 3489892, 5234838, 6979784, 10469676, 20939352]

約数ペア:

[(1, 20939352), (2, 10469676), (3, 6979784), (4, 5234838), (6, 3489892), (7, 2991336), (8, 2617419), (12, 1744946), (14, 1495668), (21, 997112), (24, 872473), (28, 747834), (42, 498556), (56, 373917), (84, 249278), (113, 185304), (168, 124639), (226, 92652), (339, 61768), (452, 46326), (678, 30884), (791, 26472), (904, 23163), (1103, 18984), (1356, 15442), (1582, 13236), (2206, 9492), (2373, 8824), (2712, 7721), (3164, 6618), (3309, 6328), (4412, 4746)]